[FEAT] Ability to set workspace profile image (#847)

* WIP workspace pfp, CRUD functions complete

* implement fetching workspace pfp in UserIcon component

* update UI for workspace settings pfp

* minor css refactor

* WIP fixes to workspace pfp

* create responseCache for workspace pfp blob to improve performance

* fix cache not clearing when removing workspace pfp and remove unneeded util

* load workspace image once, dont reload

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Co-authored-by: timothycarambat <rambat1010@gmail.com>